Abstract
We give an explicit description of an extremal nbd $X \supset C \simeq \mathbb{P}^1$ of type $k2A$. We also give a criterion for $X$ to be a flipping contraction and an explicit description of the contraction and the flip.
Information
Published: 1 January 2002
First available in Project Euclid: 31 December 2018
zbMATH: 1066.14018
MathSciNet: MR1929794
Digital Object Identifier: 10.2969/aspm/03510157
Rights: Copyright © 2002 Mathematical Society of Japan
